October 30, 1914. THE COLLIERY GUARDIAN. 911 Walter Scon Ltd. Leeds, LEEDS STEEL WORKS, England. KEITH Induced Draught Plants. MANUFACTURERS OF BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS, TRAMRAILS AND PERMANENT WAY RAILS, &c Pit Head Frame. l Erected in Works for inspection Example of 10 in. x 6 in. 42 lb. R.S. Joists curved for Framework tc Roadway. ROLLED STEEL JOISTS for PIT PROPS, FRAMEWORK TO ROADWAYS. &c. STRUCTURAL STEELWORK FOR BUILDINGS, &c. Mild Steel Blooms, Billets, Slabs, Tinbars, Rounds & Flats. Rolls cut for Special Sections and to approved quantities. Books of Sections and other information on application. st J; t - ___ POWER ECONOMY. Keith Induced Draught Plants ensure complete combustion of cheap low grade coals, and overcome chimney troubles due the use of fuel economisers, superheaters, &c. James Keith & Blackman C" L™ 27, Farringdon Avenue, LONDON. And at Manchester, Newcastle, Cardiff, Leeds, Glasgow, &c. FOR DRIVING ‘WORKS LIKE ALTERNATORS IN PARALLEL. STEAM ENGINE. SINGLE CYLINDER OR COUPLED ENGINE. Catalogue, with full particulars, on application to No. 205 D